1

Protective earth

2

Pluggable terminal block for operating voltage DC 24 V =

3

On/off switch. OFF, when pressing symbol "C-"

4

USB 2.0, 3.0 interfaces (unused)

5

Serial interface, 9-pin for RS 232, EIA-422, EIA-485 (unused)

6

DisplayPort interface (unused)

7

Serial interface, 9-pin for RS 232, EIA-422, EIA-485 (unused)

8

X1P1 = LAN (customer network) Ethernet 10/100/1000 Mbps (with 2 LEDs per port for indicators)

9

X2P1 = WAN (Internet access) Ethernet 10/100/1000 Mbps (with 2 LEDs per port for indicators)